Home / 16,869.17-25,295.66-7,977.09

Finding the Fourth Proportional to 16,869.17, 25,295.66 and 7,977.09

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Solution

The fourth proportional to 16,869.17, 25,295.66 and 7,977.09 is: 11,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.17 : 25,295.66 = 7,977.09 : x
  2. Step 2: Convert to fraction form
    16,869.17/25,295.66 = 7,977.09/x
  3. Step 3: Cross multiply
    16,869.17x = 25,295.66 × 7,977.09
  4. Step 4: Simplify right side
    16,869.17x = 201,785,716.54
  5. Step 5: Solve for x
    x = 201,785,716.54/16,869.17
  6. Step 6: Final answer
    x = 11,961.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.